package com.xlong.configuration;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageProperties;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.AbstractMessageConverter;
import org.springframework.amqp.support.converter.MessageConversionException;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.alibaba.fastjson.JSON;

@Configuration
public class DirectRabbitMqConfig {
	
	//队列 起名：DirectQueue
    @Bean
    public Queue DirectQueue() {
        // durable:是否持久化,默认是false,持久化队列：会被存储在磁盘上，当消息代理重启时仍然存在，暂存队列：当前连接有效
        // exclusive:默认也是false，只能被当前创建的连接使用，而且当连接关闭后队列即被删除。此参考优先级高于durable
        // autoDelete:是否自动删除，当没有生产者或者消费者使用此队列，该队列会自动删除。
        //   return new Queue("TestDirectQueue",true,true,false);
 
        //一般设置一下队列的持久化就好,其余两个就是默认false
        return new Queue("DirectQueue",false);
    }
 
    //Direct交换机 起名：DirectExchange
    @Bean
    DirectExchange DirectExchange() {
      //  return new DirectExchange("DirectExchange",true,true);
        return new DirectExchange("DirectExchange",true,false);
    }
 
    //绑定  将队列和交换机绑定, 并设置用于匹配键：DirectRouting
    @Bean
    Binding bindingDirect() {
        return BindingBuilder.bind(DirectQueue()).to(DirectExchange()).with("DirectRouting");
    }
 
 
 
    /*@Bean
    DirectExchange lonelyDirectExchange() {
        return new DirectExchange("lonelyDirectExchange");
    }
    
    @Bean
    public RabbitTemplate fastjsonRabbitTemplate(ConnectionFactory connectionFactory){
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        rabbitTemplate.setMessageConverter(new AbstractMessageConverter() {
            @Override
            protected Message createMessage(Object object, MessageProperties messageProperties) {
                messageProperties.setContentType("application/json");
                return new Message(JSON.toJSONBytes(object), messageProperties);
            }

            @Override
            public Object fromMessage(Message message) throws MessageConversionException {
                return JSON.parse(message.getBody());
            }
        });
        return rabbitTemplate;
    }*/
}
